<div class='main_top'>
	<div class='position left'>当前位置  
		<?php foreach($position as $value):?>
			<span>></span> <?php echo $value?> 
		<?php endforeach;?>
	</div>
	<div class='tip left' style='display:none;'></div>
</div>
<script>
	$('.main_top .tip').html("<?php echo $tips?>").fadeIn('slow');
</script>